import React, { useEffect, useRef, useState } from 'react';
import {
  ActivityIndicator,
  Animated,
  Easing,
  FlatList,
  Image,
  KeyboardAvoidingView,
  Platform,
  StyleSheet,
  Text,
  TouchableOpacity,
  View,
  useWindowDimensions,
} from 'react-native';
import { SafeAreaView } from 'react-native-safe-area-context';
import { Ionicons } from '@expo/vector-icons';
import { useRouter } from 'expo-router';
import { useApp } from '../../context/AppContext';
import { useColors } from '../../constants/Colors';
import { useSafeAnalytics } from '../../services/analytics';
import { OnboardingProgressService } from '../../services/onboardingProgressService';
import { PreAuthOnboardingService } from '../../services/preAuthOnboardingService';
import { Language } from '../../types';

// Avatar path matching copied file
const BOT_AVATAR = require('../../assets/robot_monstera_avatar.jpg');

interface Message {
  id: string;
  sender: 'bot' | 'user';
  text: string;
  subtext?: string;
  timestamp: string;
}

const getChatCopy = (language: Language) => {
  if (language === 'de') {
    return {
      title: 'Monstera',
      skip: 'Überspringen',
      continue: 'Weiter',
      today: 'Heute, 20:42 Uhr',
      typing: 'schreibt...',
      botGreeting: "Hi! Ich bin deine neue Monstera. 🌿 Ich freue mich riesig darauf, mit dir zu wachsen!",
      botSource: "Als erstes: Wie hast du von GreenLens gehört?",
      botGoal: "Verstanden! Und was ist dein Hauptziel mit deinen Pflanzen?",
      botExperience: "Schön! Wie erfahren bist du in der Pflanzenpflege?",
      botLight: "Damit ich glücklich bleibe und diese großen, schönen Blätter wachsen, muss ich ein bisschen über mein neues Zuhause wissen. Wie viel Licht bekomme ich hier?",
      botComplete: "Perfekt! Ich bin bereit einzuziehen. Lass uns deinen Pflegeplan erstellen!",
      sources: {
        app_store: 'App Store / Play Store',
        instagram: 'Instagram',
        tiktok: 'TikTok',
        friend: 'Freunde oder Familie',
        search: 'Google oder Suche',
        other: 'Etwas anderes',
      },
      goals: {
        identify: 'Pflanzen erkennen',
        care: 'Pflegepläne',
        collection: 'Sammlung vergrößern',
        learn: 'Über Pflanzen lernen',
      },
      experiences: {
        beginner: 'Anfänger (Ich bin neu)',
        intermediate: 'Fortgeschritten (Ich habe Pflanzen)',
        advanced: 'Experte (Ich weiß Bescheid)',
      },
      lights: {
        bright_indirect: {
          title: 'Helles, indirektes Licht',
          sub: 'In der Nähe eines sonnigen Fensters, ohne direkte Strahlen',
        },
        low_light: {
          title: 'Wenig Licht',
          sub: 'Weit weg von Fenstern, meistens Schatten',
        },
        direct_sunlight: {
          title: 'Direktes Sonnenlicht',
          sub: 'Den ganzen Tag direkt an einem sonnigen Fenster',
        },
      },
    };
  }
  if (language === 'es') {
    return {
      title: 'Monstera',
      skip: 'Omitir',
      continue: 'Continuar',
      today: 'Hoy, 8:42 PM',
      typing: 'escribiendo...',
      botGreeting: "¡Hola! Soy tu nueva Monstera. 🌿 ¡Estoy muy emocionada de crecer contigo!",
      botSource: "Primero, ¿cómo te enteraste de GreenLens?",
      botGoal: "¡Entendido! ¿Y cuál es tu objetivo principal con tus plantas?",
      botExperience: "¡Genial! ¿Qué experiencia tienes en el cuidado de plantas?",
      botLight: "Para estar feliz y que crezcan esas hojas grandes y hermosas, necesito saber un poco sobre mi nuevo hogar. ¿Cuánta luz recibiré aquí?",
      botComplete: "¡Perfecto! Estoy lista para mudarme. ¡Creemos tu plan de cuidados!",
      sources: {
        app_store: 'App Store / Play Store',
        instagram: 'Instagram',
        tiktok: 'TikTok',
        friend: 'Amigos o familia',
        search: 'Google o búsqueda',
        other: 'Otra cosa',
      },
      goals: {
        identify: 'Identificar plantas',
        care: 'Horarios de cuidado',
        collection: 'Crecer mi colección',
        learn: 'Aprender sobre plantas',
      },
      experiences: {
        beginner: 'Principiante (Soy nuevo)',
        intermediate: 'Intermedio (Tengo plantas)',
        advanced: 'Experto (Sé bastante)',
      },
      lights: {
        bright_indirect: {
          title: 'Luz brillante e indirecta',
          sub: 'Cerca de una ventana soleada, sin sol directo',
        },
        low_light: {
          title: 'Poca luz',
          sub: 'Lejos de las ventanas, principalmente sombra',
        },
        direct_sunlight: {
          title: 'Luz solar directa',
          sub: 'Directamente en una ventana soleada todo el día',
        },
      },
    };
  }
  return {
    title: 'Monstera',
    skip: 'Skip',
    continue: 'Continue',
    today: 'Today, 8:42 PM',
    typing: 'typing...',
    botGreeting: "Hi! I'm your new Monstera. 🌿 I'm so excited to grow with you!",
    botSource: "First, how did you hear about GreenLens?",
    botGoal: "Got it! And what is your main goal with your plants?",
    botExperience: "Nice! How experienced are you with plant care?",
    botLight: "To stay happy and grow those big, beautiful leaves, I need to know a bit about my new home. How much light do I get here?",
    botComplete: "Perfect! I'm ready to move in. Let's build your care plan!",
    sources: {
      app_store: 'App Store / Play Store',
      instagram: 'Instagram',
      tiktok: 'TikTok',
      friend: 'Friends or family',
      search: 'Google or search',
      other: 'Something else',
    },
    goals: {
      identify: 'Identify plants',
      care: 'Care schedules',
      collection: 'Grow collection',
      learn: 'Learn about plants',
    },
    experiences: {
      beginner: 'Beginner (I\'m a new plant parent)',
      intermediate: 'Intermediate (I have some plants)',
      advanced: 'Advanced (I\'m a plant expert)',
    },
    lights: {
      bright_indirect: {
        title: 'Bright, indirect light',
        sub: 'Near a sunny window, but no harsh rays',
      },
      low_light: {
        title: 'Low light',
        sub: 'Far from windows, mostly shadow',
      },
      direct_sunlight: {
        title: 'Direct sunlight',
        sub: 'Directly in a sunny window all day',
      },
    },
  };
};

const TypingIndicator = ({ colors }: { colors: any }) => {
  const dot1 = useRef(new Animated.Value(0)).current;
  const dot2 = useRef(new Animated.Value(0)).current;
  const dot3 = useRef(new Animated.Value(0)).current;

  useEffect(() => {
    const animateDot = (value: Animated.Value, delay: number) => {
      return Animated.loop(
        Animated.sequence([
          Animated.delay(delay),
          Animated.timing(value, {
            toValue: -6,
            duration: 250,
            useNativeDriver: true,
          }),
          Animated.timing(value, {
            toValue: 0,
            duration: 250,
            useNativeDriver: true,
          }),
          Animated.delay(350),
        ])
      );
    };

    const anim1 = animateDot(dot1, 0);
    const anim2 = animateDot(dot2, 120);
    const anim3 = animateDot(dot3, 240);

    anim1.start();
    anim2.start();
    anim3.start();

    return () => {
      anim1.stop();
      anim2.stop();
      anim3.stop();
    };
  }, [dot1, dot2, dot3]);

  return (
    <View style={styles.typingContainer}>
      <Animated.View style={[styles.typingDot, { backgroundColor: colors.primary, transform: [{ translateY: dot1 }] }]} />
      <Animated.View style={[styles.typingDot, { backgroundColor: colors.primary, transform: [{ translateY: dot2 }] }]} />
      <Animated.View style={[styles.typingDot, { backgroundColor: colors.primary, transform: [{ translateY: dot3 }] }]} />
    </View>
  );
};

export default function OnboardingChatScreen() {
  const router = useRouter();
  const posthog = useSafeAnalytics();
  const { session, colorPalette, language } = useApp();
  // This screen is hardcoded dark (#131e14 backgrounds), so always use the
  // dark color set — theme-dependent text would be unreadable in light mode.
  const colors = useColors(true, colorPalette);
  const copy = getChatCopy(language);
  const { height } = useWindowDimensions();
  const compact = height < 700;

  const [currentStep, setCurrentStep] = useState<number>(0);
  const [messages, setMessages] = useState<Message[]>([]);
  const [isTyping, setIsTyping] = useState<boolean>(false);
  const [showOptions, setShowOptions] = useState<boolean>(false);
  const [answers, setAnswers] = useState({
    acquisitionSource: null as string | null,
    primaryGoal: null as string | null,
    experienceLevel: null as string | null,
    lightLevel: null as string | null,
  });

  const flatListRef = useRef<FlatList>(null);
  const floatAnim = useRef(new Animated.Value(0)).current;

  // Float animation loop for the background monstera pot
  useEffect(() => {
    const float = () => {
      Animated.sequence([
        Animated.timing(floatAnim, {
          toValue: -12,
          duration: 3000,
          easing: Easing.inOut(Easing.sin),
          useNativeDriver: true,
        }),
        Animated.timing(floatAnim, {
          toValue: 0,
          duration: 3000,
          easing: Easing.inOut(Easing.sin),
          useNativeDriver: true,
        }),
      ]).start(() => float());
    };
    float();
  }, [floatAnim]);

  // Initial Bot Greeting
  useEffect(() => {
    setIsTyping(true);
    setShowOptions(false);
    const timer1 = setTimeout(() => {
      setMessages([
        {
          id: 'greeting',
          sender: 'bot',
          text: copy.botGreeting,
          timestamp: copy.today,
        },
      ]);
      setIsTyping(false);
      
      // Delay before asking first question
      const timer2 = setTimeout(() => {
        setIsTyping(true);
        const timer3 = setTimeout(() => {
          setMessages((prev) => [
            ...prev,
            {
              id: 'question-source',
              sender: 'bot',
              text: copy.botSource,
              timestamp: copy.today,
            },
          ]);
          setIsTyping(false);
          setShowOptions(true); // Only show options after question is fully posted!
        }, 800);
        return () => clearTimeout(timer3);
      }, 500);

      return () => clearTimeout(timer2);
    }, 1200);

    return () => clearTimeout(timer1);
  }, []);

  // Scroll to bottom on messages update
  useEffect(() => {
    setTimeout(() => {
      flatListRef.current?.scrollToEnd({ animated: true });
    }, 100);
  }, [messages, isTyping]);

  const selectOption = (id: string, label: string) => {
    // Add user bubble
    const userMsg: Message = {
      id: `user-${currentStep}-${Date.now()}`,
      sender: 'user',
      text: label,
      timestamp: copy.today,
    };
    setMessages((prev) => [...prev, userMsg]);

    const nextStep = currentStep + 1;
    setCurrentStep(nextStep);

    // Save answer
    const nextAnswers = { ...answers };
    if (currentStep === 0) nextAnswers.acquisitionSource = id;
    else if (currentStep === 1) nextAnswers.primaryGoal = id;
    else if (currentStep === 2) nextAnswers.experienceLevel = id;
    else if (currentStep === 3) nextAnswers.lightLevel = id;
    setAnswers(nextAnswers);

    // Trigger bot response typing
    setIsTyping(true);
    setShowOptions(false); // Hide immediately when user answers
    const delay = setTimeout(() => {
      let botText = '';
      let botSubtext = undefined;
      
      if (nextStep === 1) {
        botText = copy.botGoal;
      } else if (nextStep === 2) {
        botText = copy.botExperience;
      } else if (nextStep === 3) {
        botText = copy.botLight;
      } else if (nextStep === 4) {
        botText = copy.botComplete;
      }

      setMessages((prev) => [
        ...prev,
        {
          id: `bot-${nextStep}-${Date.now()}`,
          sender: 'bot',
          text: botText,
          subtext: botSubtext,
          timestamp: copy.today,
        },
      ]);
      setIsTyping(false);
      setShowOptions(true); // Re-enable options after bot finishes typing
    }, 850);

    return () => clearTimeout(delay);
  };

  const handleBack = () => {
    if (currentStep === 0) {
      router.back();
      return;
    }

    const prevStep = currentStep - 1;
    setCurrentStep(prevStep);

    // Revert last answers
    const nextAnswers = { ...answers };
    if (prevStep === 0) nextAnswers.acquisitionSource = null;
    else if (prevStep === 1) nextAnswers.primaryGoal = null;
    else if (prevStep === 2) nextAnswers.experienceLevel = null;
    else if (prevStep === 3) nextAnswers.lightLevel = null;
    setAnswers(nextAnswers);

    // Remove user bubble and bot bubble from messages history
    setMessages((prev) => {
      const copyMsgs = [...prev];
      // Pop bot question bubble and user response bubble
      copyMsgs.pop();
      copyMsgs.pop();
      return copyMsgs;
    });
  };

  const onSkip = () => {
    posthog.capture('onboarding_chat_skipped', { step: currentStep });
    router.replace('/onboarding/health-check');
  };

  const onFinish = () => {
    if (session?.userId) {
      if (answers.acquisitionSource) OnboardingProgressService.setAcquisitionSource(session.userId, answers.acquisitionSource);
      if (answers.primaryGoal) OnboardingProgressService.setPrimaryGoal(session.userId, answers.primaryGoal);
      if (answers.experienceLevel) OnboardingProgressService.setExperienceLevel(session.userId, answers.experienceLevel);
    }
    
    if (answers.acquisitionSource) void PreAuthOnboardingService.setAnswer('acquisitionSource', answers.acquisitionSource);
    if (answers.primaryGoal) void PreAuthOnboardingService.setAnswer('primaryGoal', answers.primaryGoal);
    if (answers.experienceLevel) void PreAuthOnboardingService.setAnswer('experienceLevel', answers.experienceLevel);
    if (answers.lightLevel) void PreAuthOnboardingService.setAnswer('lightLevel', answers.lightLevel);

    posthog.capture('onboarding_chat_completed', {
      source: answers.acquisitionSource,
      goal: answers.primaryGoal,
      experience: answers.experienceLevel,
      light: answers.lightLevel,
    });

    router.replace('/onboarding/health-check');
  };

  // Build options list based on current question step
  const renderOptions = () => {
    if (!showOptions || isTyping) return null;

    if (currentStep === 0) {
      return (
        <View style={styles.optionsWrap}>
          <Text style={styles.stepTitle}>How did you find GreenLens?</Text>
          <View style={styles.optionsGrid}>
            {([
              { id: 'app_store', label: copy.sources.app_store, icon: 'logo-apple' as const },
              { id: 'instagram', label: copy.sources.instagram, icon: 'logo-instagram' as const },
              { id: 'tiktok', label: copy.sources.tiktok, icon: 'logo-youtube' as const },
              { id: 'friend', label: copy.sources.friend, icon: 'people-outline' as const },
              { id: 'search', label: copy.sources.search, icon: 'search-outline' as const },
              { id: 'other', label: copy.sources.other, icon: 'sparkles-outline' as const },
            ]).map((opt) => (
              <TouchableOpacity key={opt.id} style={[styles.pillBtn, { borderColor: colors.border }]} onPress={() => selectOption(opt.id, opt.label)}>
                <Ionicons name={opt.icon} size={15} color={colors.primary} style={{ marginRight: 4 }} />
                <Text style={[styles.pillLabel, { color: colors.text }]}>{opt.label}</Text>
              </TouchableOpacity>
            ))}
          </View>
        </View>
      );
    }

    if (currentStep === 1) {
      return (
        <View style={styles.optionsWrap}>
          <Text style={styles.stepTitle}>What is your main goal?</Text>
          <View style={styles.optionsVertical}>
            {([
              { id: 'identify', label: copy.goals.identify, icon: 'search-outline' as const },
              { id: 'care', label: copy.goals.care, icon: 'water-outline' as const },
              { id: 'collection', label: copy.goals.collection, icon: 'leaf-outline' as const },
              { id: 'learn', label: copy.goals.learn, icon: 'book-outline' as const },
            ]).map((opt) => (
              <TouchableOpacity key={opt.id} style={[styles.optionRow, { borderColor: colors.border }]} onPress={() => selectOption(opt.id, opt.label)}>
                <View style={styles.optionRowLeft}>
                  <Ionicons name={opt.icon} size={18} color={colors.primary} style={{ marginRight: 10 }} />
                  <Text style={[styles.rowText, { color: colors.text }]}>{opt.label}</Text>
                </View>
                <Ionicons name="chevron-forward" size={16} color={colors.textMuted} />
              </TouchableOpacity>
            ))}
          </View>
        </View>
      );
    }

    if (currentStep === 2) {
      return (
        <View style={styles.optionsWrap}>
          <Text style={styles.stepTitle}>What is your experience level?</Text>
          <View style={styles.optionsVertical}>
            {([
              { id: 'beginner', label: copy.experiences.beginner, icon: 'leaf-outline' as const },
              { id: 'intermediate', label: copy.experiences.intermediate, icon: 'sunny-outline' as const },
              { id: 'advanced', label: copy.experiences.advanced, icon: 'flask-outline' as const },
            ]).map((opt) => (
              <TouchableOpacity key={opt.id} style={[styles.optionRow, { borderColor: colors.border }]} onPress={() => selectOption(opt.id, opt.label)}>
                <View style={styles.optionRowLeft}>
                  <Ionicons name={opt.icon} size={18} color={colors.primary} style={{ marginRight: 10 }} />
                  <Text style={[styles.rowText, { color: colors.text }]}>{opt.label}</Text>
                </View>
                <Ionicons name="chevron-forward" size={16} color={colors.textMuted} />
              </TouchableOpacity>
            ))}
          </View>
        </View>
      );
    }

    if (currentStep === 3) {
      return (
        <View style={styles.optionsWrap}>
          <Text style={styles.stepTitle}>How much light do I get here?</Text>
          <View style={styles.optionsVertical}>
            {([
              { id: 'bright_indirect', label: copy.lights.bright_indirect.title, sub: copy.lights.bright_indirect.sub, icon: 'wb-twilight' },
              { id: 'low_light', label: copy.lights.low_light.title, sub: copy.lights.low_light.sub, icon: 'brightness-4' },
              { id: 'direct_sunlight', label: copy.lights.direct_sunlight.title, sub: copy.lights.direct_sunlight.sub, icon: 'sunny' },
            ]).map((opt) => (
              <TouchableOpacity key={opt.id} style={[styles.bentoOption, { borderColor: colors.border }]} onPress={() => selectOption(opt.id, opt.label)}>
                <View style={styles.bentoCopy}>
                  <Text style={[styles.bentoTitle, { color: colors.text }]}>{opt.label}</Text>
                  <Text style={[styles.bentoSub, { color: colors.textSecondary }]}>{opt.sub}</Text>
                </View>
                <Ionicons name={opt.icon === 'sunny' ? 'sunny-outline' : opt.icon === 'brightness-4' ? 'contrast' : 'partly-sunny-outline'} size={20} color={colors.primary} />
              </TouchableOpacity>
            ))}
          </View>
        </View>
      );
    }

    if (currentStep === 4) {
      return (
        <View style={styles.footerWrap}>
          <TouchableOpacity style={[styles.continueCta, { backgroundColor: colors.primary }]} onPress={onFinish} activeOpacity={0.86}>
            <Text style={[styles.continueCtaText, { color: colors.onPrimary }]}>{copy.continue}</Text>
          </TouchableOpacity>
        </View>
      );
    }

    return null;
  };

  const renderMessageItem = ({ item }: { item: Message }) => {
    const isBot = item.sender === 'bot';
    return (
      <View style={[styles.messageRow, isBot ? styles.messageRowLeft : styles.messageRowRight]}>
        {isBot && (
          <Image source={BOT_AVATAR} style={styles.chatAvatar} resizeMode="cover" />
        )}
        <View style={[
          styles.bubble,
          isBot
            ? [styles.bubbleLeft, { backgroundColor: '#142215' }]
            : [styles.bubbleRight, { backgroundColor: '#2e4f00' }]
        ]}>
          <Text style={[styles.bubbleText, { color: isBot ? '#dae6d6' : '#ffffff' }]}>{item.text}</Text>
          {item.subtext ? (
            <Text style={styles.bubbleSub}>{item.subtext}</Text>
          ) : null}
        </View>
      </View>
    );
  };

  const progressPercent = `${Math.min(currentStep * 25, 100)}%`;

  return (
    <KeyboardAvoidingView
      style={styles.container}
      behavior={Platform.OS === 'ios' ? 'padding' : undefined}
    >
      <Animated.Image
        source={{ uri: 'https://lh3.googleusercontent.com/aida/AP1WRLvNv80S62DEz_zBQ-9HwoEIRjqH2RBaY0knbsg2dBsQySI1kJC23xC8q_rkQ_100IiLnW4uwtzj0t7koHQvFUc6-4kyGCdyYdE7JY_nMeC628hnY7KYw52GNy1ErcjFii-YOISxq1GRLNpaFN_IklHttmJ30NC85GX4pCt7Q23hrYSQ_Mfx4_T1lqXum2KdLfiyyOZoRKuLCP0jTBbAcEi8DCLZtsAUSYcttqmUtuaTMnt5W07_sIn0dAw' }}
        style={[styles.robotBackground, { transform: [{ translateY: floatAnim }] }]}
        resizeMode="cover"
      />
      {/* Soft stepwise gradient mask to blend bottom image edge with background */}
      <View style={styles.maskContainer}>
        <View style={[styles.maskLine, { opacity: 0.1, backgroundColor: '#131e14' }]} />
        <View style={[styles.maskLine, { opacity: 0.25, backgroundColor: '#131e14' }]} />
        <View style={[styles.maskLine, { opacity: 0.45, backgroundColor: '#131e14' }]} />
        <View style={[styles.maskLine, { opacity: 0.65, backgroundColor: '#131e14' }]} />
        <View style={[styles.maskLine, { opacity: 0.85, backgroundColor: '#131e14' }]} />
        <View style={[styles.maskLine, { opacity: 1.0, backgroundColor: '#131e14' }]} />
      </View>

      <SafeAreaView style={styles.safe} edges={['top', 'bottom']}>
        {/* Header Bar */}
        <View style={styles.header}>
          <TouchableOpacity onPress={handleBack} style={styles.headerBack}>
            <Ionicons name="arrow-back" size={24} color="#dae6d6" />
          </TouchableOpacity>
          
          <View style={styles.progressContainer}>
            <View style={styles.progressBarTrack}>
              <View style={[styles.progressBarFill, { width: progressPercent as any }]} />
            </View>
          </View>

          <TouchableOpacity onPress={onSkip} style={styles.headerSkip}>
            <Text style={styles.skipText}>{copy.skip}</Text>
          </TouchableOpacity>
        </View>

        {/* Chat History Panel */}
        <View style={styles.chatPanel}>
          <FlatList
            ref={flatListRef}
            data={messages}
            keyExtractor={(item) => item.id}
            renderItem={renderMessageItem}
            contentContainerStyle={styles.chatListContent}
            showsVerticalScrollIndicator={false}
            ListHeaderComponent={
              <View style={styles.timeDivider}>
                <Text style={styles.timeDividerText}>{copy.today}</Text>
              </View>
            }
            ListFooterComponent={
              isTyping ? (
                <View style={[styles.messageRow, styles.messageRowLeft]}>
                  <Image source={BOT_AVATAR} style={styles.chatAvatar} resizeMode="cover" />
                  <View style={[styles.bubble, styles.bubbleLeft, { backgroundColor: '#142215' }]}>
                    <TypingIndicator colors={colors} />
                  </View>
                </View>
              ) : null
            }
          />
        </View>

        {/* Input/Selection Panel */}
        <View style={styles.inputPanel}>
          {renderOptions()}
        </View>
      </SafeAreaView>
    </KeyboardAvoidingView>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#131e14',
  },
  robotBackground: {
    position: 'absolute',
    top: 0,
    left: 0,
    width: '100%',
    height: 380,
    opacity: 0.28,
  },
  maskContainer: {
    position: 'absolute',
    top: 260,
    left: 0,
    right: 0,
    height: 120,
  },
  maskLine: {
    height: 20,
    width: '100%',
  },

  optionRowLeft: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  safe: {
    flex: 1,
    justifyContent: 'space-between',
  },
  header: {
    flexDirection: 'row',
    alignItems: 'center',
    justifyContent: 'space-between',
    paddingHorizontal: 16,
    paddingVertical: 12,
    borderBottomWidth: StyleSheet.hairlineWidth,
    borderBottomColor: 'rgba(255,255,255,0.08)',
  },
  headerBack: {
    width: 38,
    height: 38,
    borderRadius: 19,
    alignItems: 'center',
    justifyContent: 'center',
    backgroundColor: 'rgba(255,255,255,0.04)',
  },
  progressContainer: {
    flex: 1,
    marginHorizontal: 16,
  },
  progressBarTrack: {
    height: 6,
    borderRadius: 3,
    backgroundColor: 'rgba(255,255,255,0.08)',
    overflow: 'hidden',
  },
  progressBarFill: {
    height: 6,
    borderRadius: 3,
    backgroundColor: '#a5d56e',
  },
  headerSkip: {
    paddingHorizontal: 12,
    paddingVertical: 6,
    borderRadius: 14,
    backgroundColor: 'rgba(255,255,255,0.04)',
  },
  skipText: {
    color: '#dae6d6',
    fontSize: 13,
    fontWeight: '700',
  },
  chatPanel: {
    flex: 1,
    paddingHorizontal: 16,
  },
  chatListContent: {
    paddingVertical: 16,
    gap: 16,
  },
  timeDivider: {
    alignSelf: 'center',
    backgroundColor: 'rgba(255,255,255,0.05)',
    borderRadius: 999,
    paddingHorizontal: 12,
    paddingVertical: 4,
    marginBottom: 16,
  },
  timeDividerText: {
    color: '#8d9382',
    fontSize: 11,
    fontWeight: '700',
  },
  messageRow: {
    flexDirection: 'row',
    alignItems: 'flex-end',
    gap: 10,
    marginVertical: 4,
  },
  messageRowLeft: {
    alignSelf: 'flex-start',
    maxWidth: '85%',
  },
  messageRowRight: {
    alignSelf: 'flex-end',
    flexDirection: 'row-reverse',
    maxWidth: '85%',
  },
  chatAvatar: {
    width: 32,
    height: 32,
    borderRadius: 16,
    borderWidth: 1,
    borderColor: 'rgba(255,255,255,0.1)',
  },
  bubble: {
    paddingHorizontal: 16,
    paddingVertical: 12,
    borderRadius: 18,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 1 },
    shadowOpacity: 0.1,
    shadowRadius: 2,
    elevation: 1,
  },
  bubbleLeft: {
    borderBottomLeftRadius: 3,
  },
  bubbleRight: {
    borderBottomRightRadius: 3,
  },
  bubbleText: {
    fontSize: 15,
    lineHeight: 21,
    fontWeight: '600',
  },
  bubbleSub: {
    fontSize: 12,
    marginTop: 4,
    color: '#8d9382',
  },
  typingContainer: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: 4,
    width: 36,
    height: 18,
    justifyContent: 'center',
  },
  typingDot: {
    width: 6,
    height: 6,
    borderRadius: 3,
  },
  inputPanel: {
    borderTopWidth: StyleSheet.hairlineWidth,
    borderTopColor: 'rgba(255,255,255,0.08)',
    paddingTop: 12,
    paddingBottom: 24,
    paddingHorizontal: 16,
    backgroundColor: '#131e14',
  },
  optionsWrap: {
    gap: 10,
  },
  stepTitle: {
    color: '#8d9382',
    fontSize: 12,
    fontWeight: '800',
    textTransform: 'uppercase',
    letterSpacing: 0.8,
    marginBottom: 4,
    textAlign: 'center',
  },
  optionsGrid: {
    flexDirection: 'row',
    flexWrap: 'wrap',
    gap: 8,
    justifyContent: 'center',
  },
  pillBtn: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: 6,
    paddingHorizontal: 14,
    paddingVertical: 10,
    borderRadius: 999,
    borderWidth: 1.5,
    backgroundColor: '#101e11',
  },
  pillEmoji: {
    fontSize: 14,
  },
  pillLabel: {
    fontSize: 13.5,
    fontWeight: '700',
  },
  optionsVertical: {
    gap: 8,
  },
  optionRow: {
    flexDirection: 'row',
    alignItems: 'center',
    justifyContent: 'space-between',
    paddingHorizontal: 16,
    paddingVertical: 14,
    borderRadius: 14,
    borderWidth: 1,
    backgroundColor: '#101e11',
  },
  rowText: {
    fontSize: 14.5,
    fontWeight: '700',
  },
  bentoOption: {
    flexDirection: 'row',
    alignItems: 'center',
    justifyContent: 'space-between',
    paddingHorizontal: 16,
    paddingVertical: 12,
    borderRadius: 14,
    borderWidth: 1,
    backgroundColor: '#101e11',
  },
  bentoCopy: {
    flex: 1,
    gap: 2,
    marginRight: 12,
  },
  bentoTitle: {
    fontSize: 15,
    fontWeight: '700',
  },
  bentoSub: {
    fontSize: 11.5,
    fontWeight: '600',
    lineHeight: 15,
  },
  footerWrap: {
    paddingVertical: 8,
  },
  continueCta: {
    height: 56,
    borderRadius: 14,
    alignItems: 'center',
    justifyContent: 'center',
  },
  continueCtaText: {
    fontSize: 16.5,
    fontWeight: '900',
  },
});
